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powerpc/process: Remove target specific __set_dabr()

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__set_dabr() are simple functions that can be inline directly
inside set_dabr() and using IS_ENABLED() instead of #ifdef

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/c10b263668e137236c71d76648b03cf2cd1ee66f.1607076733.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2020-12-04 10:12:51 +00:00 committed by Michael Ellerman
parent 1e78f723d6
commit ad3ed15cd0
1 changed files with 13 additions and 24 deletions
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37
arch/powerpc/kernel/process.c
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@ -806,29 +806,6 @@ static void switch_hw_breakpoint(struct task_struct *new)
#endif /* !CONFIG_HAVE_HW_BREAKPOINT */
#endif /* CONFIG_PPC_ADV_DEBUG_REGS */
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
static inline int __set_dabr(unsigned long dabr, unsigned long dabrx)
{
mtspr(SPRN_DAC1, dabr);
if (IS_ENABLED(CONFIG_PPC_47x))
isync();
return 0;
}
#elif defined(CONFIG_PPC_BOOK3S)
static inline int __set_dabr(unsigned long dabr, unsigned long dabrx)
{
mtspr(SPRN_DABR, dabr);
if (cpu_has_feature(CPU_FTR_DABRX))
mtspr(SPRN_DABRX, dabrx);
return 0;
}
#else
static inline int __set_dabr(unsigned long dabr, unsigned long dabrx)
{
return -EINVAL;
}
#endif
static inline int set_dabr(struct arch_hw_breakpoint *brk)
{
unsigned long dabr, dabrx;
@ -839,7 +816,19 @@ static inline int set_dabr(struct arch_hw_breakpoint *brk)
if (ppc_md.set_dabr)
return ppc_md.set_dabr(dabr, dabrx);
return __set_dabr(dabr, dabrx);
if (IS_ENABLED(CONFIG_PPC_ADV_DEBUG_REGS)) {
mtspr(SPRN_DAC1, dabr);
if (IS_ENABLED(CONFIG_PPC_47x))
isync();
return 0;
} else if (IS_ENABLED(CONFIG_PPC_BOOK3S)) {
mtspr(SPRN_DABR, dabr);
if (cpu_has_feature(CPU_FTR_DABRX))
mtspr(SPRN_DABRX, dabrx);
return 0;
} else {
return -EINVAL;
}
}
static inline int set_breakpoint_8xx(struct arch_hw_breakpoint *brk)